There are no USB drivers available for this process, but there is one OS-preinstall package available on the Dell website. You can browse the following link to download it. It's in the SATA category, last driver. However, the Stompbox should allow you to load the drivers in a way or another because there is no way to load it with another tool, except embedding it to the Windows install disk. That's not not necessary since you are recovering from a full backup.
